will john kerry now go to the pentagon? can susan rice be confirmed as secretary of state? and will nancy pelosi run for leader again? and what a welcome to washington the new class of congress arriving just in time for a classic d.c. scandal. and a different fall from grace, jon stewart, crowns himself the worst journalist in the world. >> anyone out there who thought i may have actual journalists instincts i give you a snippet of my interview. >> he loves serving, to be in the arena. i thought i was going to test him, he tested me, crushed his pelvis. he wanted to help me with the project. he can turn water into bottled water. >> the whole time i was staring at how defined her arms were. [ inaudible ]. i am the worst jurmist in the world. for god's sake the title of her book was "all in." she might as well -- >> good day. i'm andrea mitchell live in washington. we begin with the broadening and complicated scope of the petraeus investigation that has now ensnared his successor, commander of all forces in afghanistan, general john allen. joining me with their latest reporti